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87vette81big
Guest
The Injector offset & battery cimpensation tables may be skewed.
Miss programmed.
Nosing over in 3rd gear.
Miss programmed.
Nosing over in 3rd gear.
87vette81big said:The Injector offset & battery cimpensation tables may be skewed.
Miss programmed.
Nosing over in 3rd gear.
87vette81big said:You might want to go through the Mathmatics of Injector fuel flow.
80% Now Duty cycle.
This is why Grumpy preferd a BBC In C4 Corvrttes.stroker87 said:87vette81big said:You might want to go through the Mathmatics of Injector fuel flow.
80% Now Duty cycle.
the dyno operator told me the injectors was fine I asked if they was maxed out he said no? he had not problems making the truck run a lower WOT A/F ratio but when he did it made less power
I dont know, two engine combo's both having the same problem tell me there is a problem just where is it at in the trans? tune? timing?
87vette81big said:He told you where to check already.
Exhaust back pressure testing. I'm going to try to test this very soon
What size are the header primary tube diameters? 1 5/8" 3" collectors
Tube lengths ? not sure sorry
Collector length? about 5" to 8"
Seen no Dyno sheets. its not much help theres no torque numbers or A/F but from 3k there right at 300rwhp and it a nice smooth clime to 342rwhp about 5500rpm and holds it till about 6200rmp (where rev limiter it)
No Brake Fuel Consumption numbers. how can i find these out?
No intake manifold vacuum readings. gauge will soon be installed
Its an oversight by nearly all wanting to drag race or road race.stroker87 said:that would make sense since this is the 2nd combo with the same problem......